semicircle的复数形式为：semicircles...

campaign的复数形式为：campaigns...

monsoon的复数形式为：monsoons...

mug的复数形式为：mugs...

neighborhood的复数形式为：neighborhoods...

wiper的复数形式为：wipers...

gate的复数形式为：gates...

outside的复数形式为：outsides...

uplift的复数形式为：uplifts...

condensation的复数形式为：condensations...

car的复数形式为：cars...

trace的复数形式为：traces...

splotch的复数形式为：splotches...

enclave的复数形式为：enclaves...

passive的复数形式为：passives...

bottleneck的复数形式为：bottlenecks...

customer的复数形式为：customers...

ruler的复数形式为：rulers...

communion的复数形式为：communions...

abscess的复数形式为：abscesses...

auction的复数形式为：auctions...

mag的复数形式为：mags...

crumb的复数形式为：crumbs...

clock的复数形式为：clocks...

severity的复数形式为：severities...

bedpost的复数形式为：bedposts...

assassination的复数形式为：assassinations...

vertex的复数形式为：vertexes...

saleroom的复数形式为：salerooms...

woodpecker的复数形式为：woodpeckers...